Coffee-roaster



(No Model.) I

8.. POTTER.

COFFEE ROASTER.

Patented Dec. 5, 1882.

Ila/610%".

' invention, suchas will enable others skilled in view of my invention.

This frame has near its ends raised portions UNITED I STATES PATENTOFFICE.

STEPHEN POTTER, 0F MOUNT PLEASANT, MICHIGAN.

COFFEE-ROASTER.

SPECIFICATION formingpart of Letters Patent No. 268,724, dated December5, 1882,

Application filed September 14, 1882. (No model.)

To all whom it may concern: Be it known that I, STEPHEN Po'rTEn,acitizen of the United States of America, residing at Mount Pleasant, inthe county of Isabella and State of Michigan, have invented certain newand useful Improvements in Coffee-Roasters; and Ido hereby declare thefollowing to be a full, clear, and exact description of the the arttowhich it appertains ,to make and use the same, reference being had tothe accompanying drawings, and to letters or figures of reference markedthereon, which form a part of this specification.

This invention relates to certain new and usefulimprovements incoffee-masters; and it consists in the construction and combination ofthe parts, as will be hereinafter set forth, and pointed out in theclaims. p

In the annexed drawings, Figure l is a plan Fig. 2 is a longitudinalsection. Fig. 3 is a transverse section; and Figs. 4, 5, 6, 7, and 8 aredetailed views.

In the annexed drawings, A represents theframeinwhichthecoffee-roastingcylinderrests.

a a, which form bearings for the shaft of the cylinder B. The frame A isintended to be placed o'ver the openings of an ordinary cookstove. y

The cylinder B, which is constructed ofsheet metal, is secured togetherby rivets, and the inner end of the sheet is bent downwardly, so as toform a stirrer, a, as shown in Fig. 3. Attached opposite the stirrer cfis a supplementary bottom, b, which is attached to the cylinder byrivets. The sides of the supplementary bottom are bent inwardly, so asto form additional stirrers b b. The stirrers and the bottom I) are ofless length than the cylinder A, and form bearings for the heads, aswill be hereinafter described.

The head 0, as shown in Fig. 8, is provided with an opening, 0, throughwhich the tester D passes. The tester consists of a shallow box or tray,d, having upwardly-extended ends 01 and d, which prevent thesame beingentirely withdrawn from the head, and rearwardly-extending guide-rod e,which passes through a suitable guide, 6, attached to the cylinder A.

The opening 0 in the head 0 is where the tester is attached to thecylinder on a horizontal line with the shaft and longitudinally oppositethe guide 0, so that the tester will be in a position to hold thegrains, and the double thickness of the cylinder B will be at the bottomof the same when the rotation of the cylinder is stopped to inspect thecontents. The head E in the opposite end of the cylinder A abuts againstthe flanges a b b, and it is provided with a semicircular opening, whichis closed by a similar shaped door, F, which has a central bearing onthe shaft. This head E has formed thereon suitable projecting lugs, f,upon which the door rests when closed. The door is providedwithopeningsf, which afford sufficient ventilation to the cylinder when thecoffee is being roasted. The shaft H upon which the coffee-roaster issupported in the frame is provided at its portion near the head 0 with alug or nut, h, which fits into a rest formed in the head 0. This shaftis attached to the opposite head by a nut, t, the portion of embrace theflattened portion of the shaft and prevent the cylinder from rotatingwhen it is desirable to charge the same or test the beans.

\Vhen it is desired to charge the cylinder with unroasted coffee, thebutton I is turned upon the shaft and a suitable pan or funnel, asshown, is inserted through the door.

When the cylinder is charged or the beans withdrawn by the tester, thedouble portion of the cylinder is at the bottom, thus rendering the fireless liable to burn the coffee while the cylinder is at rest.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is-- a 1. In a coffee-roaster, the cylinder B,having the flange a, formed therein and provided with plate b, havingupturned ends I) and b, substantially as described.

2. In combination with the cylinder B, having inwardly-projectingflanges, the heads 0 and E,'held in place by means of the flanges, andthe shaft H, having screw-threaded portion and nuts h and t,substantially as shown.

3. In a coffee-roaster, the rotary cylinder B, mounted on the frame A,having shaft-bearings and turn-button I, for preventing the rotation ofthe cylinder, for the purpose set forth.

4. In a coffee-roaster, the frame A, provided with a turn-button whichhas arms arranged on different planes, in combination with the shaft andcylinder, for the purpose set forth.

5. In a coffee-roaster, the cylinder 13, having internal flanges andguide 0, in oombina- 15 Witnesses JOHN FRASER, W. I. CUTLER.

